  .uls {
    width: 1200px;
    margin: 0 auto;
    padding: 20px 0 55px 0;
    // border: 1px solid;
    display: flex; 
    .lis {
      text-align: center;
      height: 40px;
      width: 100px;
      line-height: 40px;
      border-radius: 15px;
      list-style: none;

      &:hover {
        background-color: purple;

        a {
          font-size: 14px;
          color: #fff;
        }
      }
    }
  }